Agilent Technologies 4294A Service Manual Page 480

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480 Appendix B
Status Reporting System
Status Register Structure
Executing “*CLS” command on page 258 will clear all bits of the instrument status
register.
Executing “*CLS” command will clear all bits of the operation status condition register.
Table B-3 Status Bit Definitions of the Instrument Status Register
Bit Name Description
0 Single or Number of Groups
Sweep Complete
“1” is set when a single or group sweep was completed
after the last read of the register.
1 Service Routine Waiting or
Manual Trigger Waiting
1. “1” is set when execution of an internal service
routine is completed or when the routine is put into
waiting state for operators response.
2. “1” is set when the 4294A is put into the manual
trigger mode or GPIB/LAN trigger mode and is
waiting for a manual trigger.
2 Data Entry Complete “1” is set when the terminator key is pressed.
3 Limit Failed, Trace B “1” is set when a limit test failed on trace B.
4 Limit Failed, Trace A “1” is set when a limit test failed on trace A.
5 Search Failed, Trace B “1” is set when no value was obtained for a target of
marker search on trace B.
6 Search Failed, Trace A “1” is set when no value was obtained for a target of
marker search on trace A.
7
Point Measurement Complete
*1
“1” is set when a measurement of a single point is
completed in sweep measurement. (when using the point
trigger)
8 Calibration or Compensation
Complete
“1” is set when each measurement data is completely
obtained for the adapter setting, user calibration, and
fixture compensation.
*1.This bit is set only when both of bits associated with the service request enable
register and the instrument event status enable register are enabled.
Table B-4 Status Bit Definitions of the Operation Status Condition Register
Bit Name Description
9 Printing “1” is set while data is being transferred to the printer.
14 Program Running “1” is set while an HP Instrument BASIC program is
running.
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